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telo118 [61]
3 years ago
10

Simplify sqaure root - 72

Mathematics
1 answer:
harina [27]3 years ago
4 0

Answer:

\boxed{6\sqrt{2 i}}

Explanation:

\sqrt{-72}=\sqrt{-1}=\sqrt{72}

\sqrt{-1} \sqrt{72}

Then you apply imaginary number rule.

\sqrt{72 i }

\sqrt{72}=6\sqrt{2}

\boxed{6\sqrt{2 i}}\checkmark, which is our final answer.

Hope this helps!

Thanks!

Have a nice day! :)

-Charlie

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Hello :D

To find out the original price you have to do:

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Answer:

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Alex Ar [27]

Answer: w=12, y=6√3

Step-by-step explanation:

Looking at the figure, we can split the triangle into 2 separate triangles. One on the left and one on the left. The triangle on the right is a 30-60-90 triangle. For this triangle, the hypotenuse is 2x in length. This is directly opposite of the right angle. The leg opposite to 30° is x in length. The leg opposite 60° is x√3 in length. Once you know the length of one side, you can plug in x to find the length of the other legs.

In this case, w and y are located on the same 30-60-90 triangle. Normally we would focus on that triangle to find our values, but in this instance, we don't have any values. We have to use the left triangle to find the leg that both triangles share.

The left triangle is a 45-45-90 triangle. For this triangle, the legs opposite of 45° is x in length. The hypotenuse is x√2. Since we know the hypotenuse, we can use it to find x.

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